/**
  ******************************************************************************
  * @file    stm32fxxx_it.c
  * @author  MCD Application Team
  * @version V1.2.0
  * @date    09-November-2015
  * @brief   Main Interrupt Service Routines.
  *          This file provides all exceptions handler and peripherals interrupt
  *          service routine.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT 2015 STMicroelectronics</center></h2>
  *
  * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
  * You may not use this file except in compliance with the License.
  * You may obtain a copy of the License at:
  *
  *        http://www.st.com/software_license_agreement_liberty_v2
  *
  * Unless required by applicable law or agreed to in writing, software 
  * distributed under the License is distributed on an "AS IS" BASIS, 
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  *
  ******************************************************************************
  */ 

/* Includes ------------------------------------------------------------------*/
#include "stm32fxxx_it.h"

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/

/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
uint8_t Send_Buffer[2];
uint8_t PrevXferDone = 1;
extern uint32_t ADC_ConvertedValueX;
extern uint32_t ADC_ConvertedValueX_1;
/* Private function prototypes -----------------------------------------------*/
extern USB_OTG_CORE_HANDLE           USB_OTG_dev;
extern uint32_t USBD_OTG_ISR_Handler (USB_OTG_CORE_HANDLE *pdev);
#ifdef USB_OTG_HS_DEDICATED_EP1_ENABLED 
extern uint32_t USBD_OTG_EP1IN_ISR_Handler (USB_OTG_CORE_HANDLE *pdev);
extern uint32_t USBD_OTG_EP1OUT_ISR_Handler (USB_OTG_CORE_HANDLE *pdev);
#endif

/******************************************************************************/
/*             Cortex-M Processor Exceptions Handlers                         */
/******************************************************************************/

/**
* @brief   This function handles NMI exception.
* @param  None
* @retval None
*/
void NMI_Handler(void)
{
}

/**
* @brief  This function handles Hard Fault exception.
* @param  None
* @retval None
*/
void HardFault_Handler(void)
{
  /* Go to infinite loop when Hard Fault exception occurs */
  while (1)
  {
  }
}

/**
* @brief  This function handles Memory Manage exception.
* @param  None
* @retval None
*/
void MemManage_Handler(void)
{
  /* Go to infinite loop when Memory Manage exception occurs */
  while (1)
  {
  }
}

/**
* @brief  This function handles Bus Fault exception.
* @param  None
* @retval None
*/
void BusFault_Handler(void)
{
  /* Go to infinite loop when Bus Fault exception occurs */
  while (1)
  {
  }
}

/**
* @brief  This function handles Usage Fault exception.
* @param  None
* @retval None
*/
void UsageFault_Handler(void)
{
  /* Go to infinite loop when Usage Fault exception occurs */
  while (1)
  {
  }
}

/**
* @brief  This function handles SVCall exception.
* @param  None
* @retval None
*/
void SVC_Handler(void)
{
}

/**
* @brief  This function handles Debug Monitor exception.
* @param  None
* @retval None
*/
void DebugMon_Handler(void)
{
}

/**
* @brief  This function handles PendSVC exception.
* @param  None
* @retval None
*/
void PendSV_Handler(void)
{
}

/**
* @brief  This function handles SysTick Handler.
* @param  None
* @retval None
*/
void SysTick_Handler(void)
{
}

/**
* @brief  This function handles EXTI15_10_IRQ Handler.
* @param  None
* @retval None
*/
#ifdef USE_STM3210C_EVAL 
void EXTI9_5_IRQHandler(void)
#else
void EXTI15_10_IRQHandler(void)
#endif
{
  if (EXTI_GetITStatus(KEY_BUTTON_EXTI_LINE) != RESET)
  {  
    /* Clear the EXTI line pending bit */
    EXTI_ClearITPendingBit(KEY_BUTTON_EXTI_LINE);
    
    if((PrevXferDone)  && (USB_OTG_dev.dev.device_status==USB_OTG_CONFIGURED))
    {
      Send_Buffer[0] = KEY_REPORT_ID; 
      
      if (STM_EVAL_PBGetState(BUTTON_KEY) == Bit_RESET)
      {
        Send_Buffer[1] = 0x01;
      }
      else
      {
        Send_Buffer[1] = 0x00;
      }
      
      USBD_CUSTOM_HID_SendReport (&USB_OTG_dev, Send_Buffer, 2);  
      PrevXferDone = 0;
    }
  }
}

/**
  * @brief  This function handles ADCx DMA IRQHandler Handler.
  * @param  None
  * @retval None
  */
void ADCx_DMA_IRQHandler(void)
{  
  Send_Buffer[0] = 0x07;
  
  if((ADC_ConvertedValueX >>4) - (ADC_ConvertedValueX_1 >>4) > 4)
  {
    if ((PrevXferDone) && (USB_OTG_dev.dev.device_status == USB_OTG_CONFIGURED))
    {
      Send_Buffer[1] = (uint8_t)(ADC_ConvertedValueX >>4);
      
      USBD_CUSTOM_HID_SendReport(&USB_OTG_dev, Send_Buffer, 2);
      
      ADC_ConvertedValueX_1 = ADC_ConvertedValueX;
      PrevXferDone = 0;
    }
  }
}
       
/**
* @brief  This function handles OTG_HS Handler.
* @param  None
* @retval None
*/
#ifdef USE_USB_OTG_HS  
void OTG_HS_IRQHandler(void)
#else
void OTG_FS_IRQHandler(void)
#endif
{
  USBD_OTG_ISR_Handler (&USB_OTG_dev);
}

#ifdef USB_OTG_HS_DEDICATED_EP1_ENABLED 
/**
* @brief  This function handles EP1_IN Handler.
* @param  None
* @retval None
*/
void OTG_HS_EP1_IN_IRQHandler(void)
{
  USBD_OTG_EP1IN_ISR_Handler (&USB_OTG_dev);
}

/**
* @brief  This function handles EP1_OUT Handler.
* @param  None
* @retval None
*/
void OTG_HS_EP1_OUT_IRQHandler(void)
{
  USBD_OTG_EP1OUT_ISR_Handler (&USB_OTG_dev);
}
#endif

/******************************************************************************/
/*                 STM32Fxxx Peripherals Interrupt Handlers                   */
/*  Add here the Interrupt Handler for the used peripheral(s) (PPP), for the  */
/*  available peripheral interrupt handler's name please refer to the startup */
/*  file (startup_stm32fxxx.s).                                               */
/******************************************************************************/

/**
* @brief  This function handles PPP interrupt request.
* @param  None
* @retval None
*/
/*void PPP_IRQHandler(void)
{
}*/

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
